{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "This effect was attributed to strengthening of the carrot cell walls under high pressure , thereby hindering the transfer of beta - carotene to the oil phase and lowering its susceptibility to isomerisation ."}
{"Chemical": ["beta - carotene"]}